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openwrt/target/linux/generic/patches-3.12/770-bgmac-backport.patch
Hauke Mehrtens f491623c37 kernel: bgmac: update bgmac to a version from kernel 3.14-rc1 
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 39465
2014-02-04 22:55:23 +00:00

982 lines
31 KiB
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Raw Blame History

--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -23,6 +23,7 @@ config B44
depends on SSB_POSSIBLE && HAS_DMA
select SSB
select MII
+ select PHYLIB
---help---
If you have a network (Ethernet) controller of this type, say Y
or M and read the Ethernet-HOWTO, available from
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -96,6 +96,19 @@ static void bgmac_dma_tx_enable(struct b
u32 ctl;
ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL);
+ if (bgmac->core->id.rev >= 4) {
+ ctl &= ~BGMAC_DMA_TX_BL_MASK;
+ ctl |= BGMAC_DMA_TX_BL_128 << BGMAC_DMA_TX_BL_SHIFT;
+
+ ctl &= ~BGMAC_DMA_TX_MR_MASK;
+ ctl |= BGMAC_DMA_TX_MR_2 << BGMAC_DMA_TX_MR_SHIFT;
+
+ ctl &= ~BGMAC_DMA_TX_PC_MASK;
+ ctl |= BGMAC_DMA_TX_PC_16 << BGMAC_DMA_TX_PC_SHIFT;
+
+ ctl &= ~BGMAC_DMA_TX_PT_MASK;
+ ctl |= BGMAC_DMA_TX_PT_8 << BGMAC_DMA_TX_PT_SHIFT;
+ }
ctl |= BGMAC_DMA_TX_ENABLE;
ctl |= BGMAC_DMA_TX_PARITY_DISABLE;
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL, ctl);
@@ -149,6 +162,8 @@ static netdev_tx_t bgmac_dma_tx_add(stru
dma_desc->ctl0 = cpu_to_le32(ctl0);
dma_desc->ctl1 = cpu_to_le32(ctl1);
+ netdev_sent_queue(net_dev, skb->len);
+
wmb();
/* Increase ring->end to point empty slot. We tell hardware the first
@@ -178,6 +193,7 @@ static void bgmac_dma_tx_free(struct bgm
struct device *dma_dev = bgmac->core->dma_dev;
int empty_slot;
bool freed = false;
+ unsigned bytes_compl = 0, pkts_compl = 0;
/* The last slot that hardware didn't consume yet */
empty_slot = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_STATUS);
@@ -195,6 +211,9 @@ static void bgmac_dma_tx_free(struct bgm
slot->skb->len, DMA_TO_DEVICE);
slot->dma_addr = 0;
+ bytes_compl += slot->skb->len;
+ pkts_compl++;
+
/* Free memory! :) */
dev_kfree_skb(slot->skb);
slot->skb = NULL;
@@ -208,6 +227,8 @@ static void bgmac_dma_tx_free(struct bgm
freed = true;
}
+ netdev_completed_queue(bgmac->net_dev, pkts_compl, bytes_compl);
+
if (freed && netif_queue_stopped(bgmac->net_dev))
netif_wake_queue(bgmac->net_dev);
}
@@ -232,6 +253,16 @@ static void bgmac_dma_rx_enable(struct b
u32 ctl;
ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL);
+ if (bgmac->core->id.rev >= 4) {
+ ctl &= ~BGMAC_DMA_RX_BL_MASK;
+ ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT;
+
+ ctl &= ~BGMAC_DMA_RX_PC_MASK;
+ ctl |= BGMAC_DMA_RX_PC_8 << BGMAC_DMA_RX_PC_SHIFT;
+
+ ctl &= ~BGMAC_DMA_RX_PT_MASK;
+ ctl |= BGMAC_DMA_RX_PT_1 << BGMAC_DMA_RX_PT_SHIFT;
+ }
ctl &= BGMAC_DMA_RX_ADDREXT_MASK;
ctl |= BGMAC_DMA_RX_ENABLE;
ctl |= BGMAC_DMA_RX_PARITY_DISABLE;
@@ -244,31 +275,59 @@ static int bgmac_dma_rx_skb_for_slot(str
struct bgmac_slot_info *slot)
{
struct device *dma_dev = bgmac->core->dma_dev;
+ struct sk_buff *skb;
+ dma_addr_t dma_addr;
struct bgmac_rx_header *rx;
/* Alloc skb */
- slot->skb = netdev_alloc_skb(bgmac->net_dev, BGMAC_RX_BUF_SIZE);
- if (!slot->skb)
+ skb = netdev_alloc_skb(bgmac->net_dev, BGMAC_RX_BUF_SIZE);
+ if (!skb)
return -ENOMEM;
/* Poison - if everything goes fine, hardware will overwrite it */
- rx = (struct bgmac_rx_header *)slot->skb->data;
+ rx = (struct bgmac_rx_header *)skb->data;
rx->len = cpu_to_le16(0xdead);
rx->flags = cpu_to_le16(0xbeef);
/* Map skb for the DMA */
- slot->dma_addr = dma_map_single(dma_dev, slot->skb->data,
- BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
- if (dma_mapping_error(dma_dev, slot->dma_addr)) {
+ dma_addr = dma_map_single(dma_dev, skb->data,
+ BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
+ if (dma_mapping_error(dma_dev, dma_addr)) {
bgmac_err(bgmac, "DMA mapping error\n");
+ dev_kfree_skb(skb);
return -ENOMEM;
}
+
+ /* Update the slot */
+ slot->skb = skb;
+ slot->dma_addr = dma_addr;
+
if (slot->dma_addr & 0xC0000000)
bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n");
return 0;
}
+static void bgmac_dma_rx_setup_desc(struct bgmac *bgmac,
+ struct bgmac_dma_ring *ring, int desc_idx)
+{
+ struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx;
+ u32 ctl0 = 0, ctl1 = 0;
+
+ if (desc_idx == ring->num_slots - 1)
+ ctl0 |= BGMAC_DESC_CTL0_EOT;
+ ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
+ /* Is there any BGMAC device that requires extension? */
+ /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
+ * B43_DMA64_DCTL1_ADDREXT_MASK;
+ */
+
+ dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[desc_idx].dma_addr));
+ dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[desc_idx].dma_addr));
+ dma_desc->ctl0 = cpu_to_le32(ctl0);
+ dma_desc->ctl1 = cpu_to_le32(ctl1);
+}
+
static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
int weight)
{
@@ -287,7 +346,6 @@ static int bgmac_dma_rx_read(struct bgma
struct device *dma_dev = bgmac->core->dma_dev;
struct bgmac_slot_info *slot = &ring->slots[ring->start];
struct sk_buff *skb = slot->skb;
- struct sk_buff *new_skb;
struct bgmac_rx_header *rx;
u16 len, flags;
@@ -300,38 +358,51 @@ static int bgmac_dma_rx_read(struct bgma
len = le16_to_cpu(rx->len);
flags = le16_to_cpu(rx->flags);
- /* Check for poison and drop or pass the packet */
- if (len == 0xdead && flags == 0xbeef) {
- bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
- ring->start);
- } else {
+ do {
+ dma_addr_t old_dma_addr = slot->dma_addr;
+ int err;
+
+ /* Check for poison and drop or pass the packet */
+ if (len == 0xdead && flags == 0xbeef) {
+ bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
+ ring->start);
+ dma_sync_single_for_device(dma_dev,
+ slot->dma_addr,
+ BGMAC_RX_BUF_SIZE,
+ DMA_FROM_DEVICE);
+ break;
+ }
+
/* Omit CRC. */
len -= ETH_FCS_LEN;
- new_skb = netdev_alloc_skb_ip_align(bgmac->net_dev, len);
- if (new_skb) {
- skb_put(new_skb, len);
- skb_copy_from_linear_data_offset(skb, BGMAC_RX_FRAME_OFFSET,
- new_skb->data,
- len);
- skb_checksum_none_assert(skb);
- new_skb->protocol =
- eth_type_trans(new_skb, bgmac->net_dev);
- netif_receive_skb(new_skb);
- handled++;
- } else {
- bgmac->net_dev->stats.rx_dropped++;
- bgmac_err(bgmac, "Allocation of skb for copying packet failed!\n");
+ /* Prepare new skb as replacement */
+ err = bgmac_dma_rx_skb_for_slot(bgmac, slot);
+ if (err) {
+ /* Poison the old skb */
+ rx->len = cpu_to_le16(0xdead);
+ rx->flags = cpu_to_le16(0xbeef);
+
+ dma_sync_single_for_device(dma_dev,
+ slot->dma_addr,
+ BGMAC_RX_BUF_SIZE,
+ DMA_FROM_DEVICE);
+ break;
}
+ bgmac_dma_rx_setup_desc(bgmac, ring, ring->start);
- /* Poison the old skb */
- rx->len = cpu_to_le16(0xdead);
- rx->flags = cpu_to_le16(0xbeef);
- }
-
- /* Make it back accessible to the hardware */
- dma_sync_single_for_device(dma_dev, slot->dma_addr,
- BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
+ /* Unmap old skb, we'll pass it to the netfif */
+ dma_unmap_single(dma_dev, old_dma_addr,
+ BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
+
+ skb_put(skb, BGMAC_RX_FRAME_OFFSET + len);
+ skb_pull(skb, BGMAC_RX_FRAME_OFFSET);
+
+ skb_checksum_none_assert(skb);
+ skb->protocol = eth_type_trans(skb, bgmac->net_dev);
+ netif_receive_skb(skb);
+ handled++;
+ } while (0);
if (++ring->start >= BGMAC_RX_RING_SLOTS)
ring->start = 0;
@@ -495,8 +566,6 @@ err_dma_free:
static void bgmac_dma_init(struct bgmac *bgmac)
{
struct bgmac_dma_ring *ring;
- struct bgmac_dma_desc *dma_desc;
- u32 ctl0, ctl1;
int i;
for (i = 0; i < BGMAC_MAX_TX_RINGS; i++) {
@@ -529,23 +598,8 @@ static void bgmac_dma_init(struct bgmac
if (ring->unaligned)
bgmac_dma_rx_enable(bgmac, ring);
- for (j = 0, dma_desc = ring->cpu_base; j < ring->num_slots;
- j++, dma_desc++) {
- ctl0 = ctl1 = 0;
-
- if (j == ring->num_slots - 1)
- ctl0 |= BGMAC_DESC_CTL0_EOT;
- ctl1 |= BGMAC_RX_BUF_SIZE & BGMAC_DESC_CTL1_LEN;
- /* Is there any BGMAC device that requires extension? */
- /* ctl1 |= (addrext << B43_DMA64_DCTL1_ADDREXT_SHIFT) &
- * B43_DMA64_DCTL1_ADDREXT_MASK;
- */
-
- dma_desc->addr_low = cpu_to_le32(lower_32_bits(ring->slots[j].dma_addr));
- dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[j].dma_addr));
- dma_desc->ctl0 = cpu_to_le32(ctl0);
- dma_desc->ctl1 = cpu_to_le32(ctl1);
- }
+ for (j = 0; j < ring->num_slots; j++)
+ bgmac_dma_rx_setup_desc(bgmac, ring, j);
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_INDEX,
ring->index_base +
@@ -651,70 +705,6 @@ static int bgmac_phy_write(struct bgmac
return 0;
}
-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyforce */
-static void bgmac_phy_force(struct bgmac *bgmac)
-{
- u16 ctl;
- u16 mask = ~(BGMAC_PHY_CTL_SPEED | BGMAC_PHY_CTL_SPEED_MSB |
- BGMAC_PHY_CTL_ANENAB | BGMAC_PHY_CTL_DUPLEX);
-
- if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
- return;
-
- if (bgmac->autoneg)
- return;
-
- ctl = bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL);
- ctl &= mask;
- if (bgmac->full_duplex)
- ctl |= BGMAC_PHY_CTL_DUPLEX;
- if (bgmac->speed == BGMAC_SPEED_100)
- ctl |= BGMAC_PHY_CTL_SPEED_100;
- else if (bgmac->speed == BGMAC_SPEED_1000)
- ctl |= BGMAC_PHY_CTL_SPEED_1000;
- bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL, ctl);
-}
-
-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyadvertise */
-static void bgmac_phy_advertise(struct bgmac *bgmac)
-{
- u16 adv;
-
- if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
- return;
-
- if (!bgmac->autoneg)
- return;
-
- /* Adv selected 10/100 speeds */
- adv = bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV);
- adv &= ~(BGMAC_PHY_ADV_10HALF | BGMAC_PHY_ADV_10FULL |
- BGMAC_PHY_ADV_100HALF | BGMAC_PHY_ADV_100FULL);
- if (!bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_10)
- adv |= BGMAC_PHY_ADV_10HALF;
- if (!bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_100)
- adv |= BGMAC_PHY_ADV_100HALF;
- if (bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_10)
- adv |= BGMAC_PHY_ADV_10FULL;
- if (bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_100)
- adv |= BGMAC_PHY_ADV_100FULL;
- bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV, adv);
-
- /* Adv selected 1000 speeds */
- adv = bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV2);
- adv &= ~(BGMAC_PHY_ADV2_1000HALF | BGMAC_PHY_ADV2_1000FULL);
- if (!bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_1000)
- adv |= BGMAC_PHY_ADV2_1000HALF;
- if (bgmac->full_duplex && bgmac->speed & BGMAC_SPEED_1000)
- adv |= BGMAC_PHY_ADV2_1000FULL;
- bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_ADV2, adv);
-
- /* Restart */
- bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL,
- bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL) |
- BGMAC_PHY_CTL_RESTART);
-}
-
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyinit */
static void bgmac_phy_init(struct bgmac *bgmac)
{
@@ -758,11 +748,9 @@ static void bgmac_phy_reset(struct bgmac
if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
return;
- bgmac_phy_write(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL,
- BGMAC_PHY_CTL_RESET);
+ bgmac_phy_write(bgmac, bgmac->phyaddr, MII_BMCR, BMCR_RESET);
udelay(100);
- if (bgmac_phy_read(bgmac, bgmac->phyaddr, BGMAC_PHY_CTL) &
- BGMAC_PHY_CTL_RESET)
+ if (bgmac_phy_read(bgmac, bgmac->phyaddr, MII_BMCR) & BMCR_RESET)
bgmac_err(bgmac, "PHY reset failed\n");
bgmac_phy_init(bgmac);
}
@@ -780,13 +768,13 @@ static void bgmac_cmdcfg_maskset(struct
u32 cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
u32 new_val = (cmdcfg & mask) | set;
- bgmac_set(bgmac, BGMAC_CMDCFG, BGMAC_CMDCFG_SR);
+ bgmac_set(bgmac, BGMAC_CMDCFG, BGMAC_CMDCFG_SR(bgmac->core->id.rev));
udelay(2);
if (new_val != cmdcfg || force)
bgmac_write(bgmac, BGMAC_CMDCFG, new_val);
- bgmac_mask(bgmac, BGMAC_CMDCFG, ~BGMAC_CMDCFG_SR);
+ bgmac_mask(bgmac, BGMAC_CMDCFG, ~BGMAC_CMDCFG_SR(bgmac->core->id.rev));
udelay(2);
}
@@ -845,31 +833,56 @@ static void bgmac_clear_mib(struct bgmac
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_speed */
-static void bgmac_speed(struct bgmac *bgmac, int speed)
+static void bgmac_mac_speed(struct bgmac *bgmac)
{
u32 mask = ~(BGMAC_CMDCFG_ES_MASK | BGMAC_CMDCFG_HD);
u32 set = 0;
- if (speed & BGMAC_SPEED_10)
+ switch (bgmac->mac_speed) {
+ case SPEED_10:
set |= BGMAC_CMDCFG_ES_10;
- if (speed & BGMAC_SPEED_100)
+ break;
+ case SPEED_100:
set |= BGMAC_CMDCFG_ES_100;
- if (speed & BGMAC_SPEED_1000)
+ break;
+ case SPEED_1000:
set |= BGMAC_CMDCFG_ES_1000;
- if (!bgmac->full_duplex)
+ break;
+ case SPEED_2500:
+ set |= BGMAC_CMDCFG_ES_2500;
+ break;
+ default:
+ bgmac_err(bgmac, "Unsupported speed: %d\n", bgmac->mac_speed);
+ }
+
+ if (bgmac->mac_duplex == DUPLEX_HALF)
set |= BGMAC_CMDCFG_HD;
+
bgmac_cmdcfg_maskset(bgmac, mask, set, true);
}
static void bgmac_miiconfig(struct bgmac *bgmac)
{
- u8 imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >>
- BGMAC_DS_MM_SHIFT;
- if (imode == 0 || imode == 1) {
- if (bgmac->autoneg)
- bgmac_speed(bgmac, BGMAC_SPEED_100);
- else
- bgmac_speed(bgmac, bgmac->speed);
+ struct bcma_device *core = bgmac->core;
+ struct bcma_chipinfo *ci = &core->bus->chipinfo;
+ u8 imode;
+
+ if (ci->id == BCMA_CHIP_ID_BCM4707 ||
+ ci->id == BCMA_CHIP_ID_BCM53018) {
+ bcma_awrite32(core, BCMA_IOCTL,
+ bcma_aread32(core, BCMA_IOCTL) | 0x40 |
+ BGMAC_BCMA_IOCTL_SW_CLKEN);
+ bgmac->mac_speed = SPEED_2500;
+ bgmac->mac_duplex = DUPLEX_FULL;
+ bgmac_mac_speed(bgmac);
+ } else {
+ imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) &
+ BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT;
+ if (imode == 0 || imode == 1) {
+ bgmac->mac_speed = SPEED_100;
+ bgmac->mac_duplex = DUPLEX_FULL;
+ bgmac_mac_speed(bgmac);
+ }
}
}
@@ -879,7 +892,7 @@ static void bgmac_chip_reset(struct bgma
struct bcma_device *core = bgmac->core;
struct bcma_bus *bus = core->bus;
struct bcma_chipinfo *ci = &bus->chipinfo;
- u32 flags = 0;
+ u32 flags;
u32 iost;
int i;
@@ -902,26 +915,36 @@ static void bgmac_chip_reset(struct bgma
}
iost = bcma_aread32(core, BCMA_IOST);
- if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 10) ||
+ if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
(ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) ||
- (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == 9))
+ (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188))
iost &= ~BGMAC_BCMA_IOST_ATTACHED;
- if (iost & BGMAC_BCMA_IOST_ATTACHED) {
- flags = BGMAC_BCMA_IOCTL_SW_CLKEN;
- if (!bgmac->has_robosw)
- flags |= BGMAC_BCMA_IOCTL_SW_RESET;
+ /* 3GMAC: for BCM4707, only do core reset at bgmac_probe() */
+ if (ci->id != BCMA_CHIP_ID_BCM4707) {
+ flags = 0;
+ if (iost & BGMAC_BCMA_IOST_ATTACHED) {
+ flags = BGMAC_BCMA_IOCTL_SW_CLKEN;
+ if (!bgmac->has_robosw)
+ flags |= BGMAC_BCMA_IOCTL_SW_RESET;
+ }
+ bcma_core_enable(core, flags);
}
- bcma_core_enable(core, flags);
-
- if (core->id.rev > 2) {
- bgmac_set(bgmac, BCMA_CLKCTLST, 1 << 8);
- bgmac_wait_value(bgmac->core, BCMA_CLKCTLST, 1 << 24, 1 << 24,
+ /* Request Misc PLL for corerev > 2 */
+ if (core->id.rev > 2 &&
+ ci->id != BCMA_CHIP_ID_BCM4707 &&
+ ci->id != BCMA_CHIP_ID_BCM53018) {
+ bgmac_set(bgmac, BCMA_CLKCTLST,
+ BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ);
+ bgmac_wait_value(bgmac->core, BCMA_CLKCTLST,
+ BGMAC_BCMA_CLKCTLST_MISC_PLL_ST,
+ BGMAC_BCMA_CLKCTLST_MISC_PLL_ST,
1000);
}
- if (ci->id == BCMA_CHIP_ID_BCM5357 || ci->id == BCMA_CHIP_ID_BCM4749 ||
+ if (ci->id == BCMA_CHIP_ID_BCM5357 ||
+ ci->id == BCMA_CHIP_ID_BCM4749 ||
ci->id == BCMA_CHIP_ID_BCM53572) {
struct bcma_drv_cc *cc = &bgmac->core->bus->drv_cc;
u8 et_swtype = 0;
@@ -936,10 +959,11 @@ static void bgmac_chip_reset(struct bgma
et_swtype &= 0x0f;
et_swtype <<= 4;
sw_type = et_swtype;
- } else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == 9) {
+ } else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM5358) {
sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII;
- } else if ((ci->id != BCMA_CHIP_ID_BCM53572 && ci->pkg == 10) ||
- (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == 9)) {
+ } else if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
+ (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) ||
+ (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) {
sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
}
@@ -976,8 +1000,10 @@ static void bgmac_chip_reset(struct bgma
BGMAC_CMDCFG_PROM |
BGMAC_CMDCFG_NLC |
BGMAC_CMDCFG_CFE |
- BGMAC_CMDCFG_SR,
+ BGMAC_CMDCFG_SR(core->id.rev),
false);
+ bgmac->mac_speed = SPEED_UNKNOWN;
+ bgmac->mac_duplex = DUPLEX_UNKNOWN;
bgmac_clear_mib(bgmac);
if (core->id.id == BCMA_CORE_4706_MAC_GBIT)
@@ -988,6 +1014,8 @@ static void bgmac_chip_reset(struct bgma
bgmac_miiconfig(bgmac);
bgmac_phy_init(bgmac);
+ netdev_reset_queue(bgmac->net_dev);
+
bgmac->int_status = 0;
}
@@ -1015,7 +1043,7 @@ static void bgmac_enable(struct bgmac *b
cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
bgmac_cmdcfg_maskset(bgmac, ~(BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE),
- BGMAC_CMDCFG_SR, true);
+ BGMAC_CMDCFG_SR(bgmac->core->id.rev), true);
udelay(2);
cmdcfg |= BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE;
bgmac_write(bgmac, BGMAC_CMDCFG, cmdcfg);
@@ -1044,12 +1072,16 @@ static void bgmac_enable(struct bgmac *b
break;
}
- rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
- rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
- bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) / 1000000;
- mdp = (bp_clk * 128 / 1000) - 3;
- rxq_ctl |= (mdp << BGMAC_RXQ_CTL_MDP_SHIFT);
- bgmac_write(bgmac, BGMAC_RXQ_CTL, rxq_ctl);
+ if (ci->id != BCMA_CHIP_ID_BCM4707 &&
+ ci->id != BCMA_CHIP_ID_BCM53018) {
+ rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
+ rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
+ bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) /
+ 1000000;
+ mdp = (bp_clk * 128 / 1000) - 3;
+ rxq_ctl |= (mdp << BGMAC_RXQ_CTL_MDP_SHIFT);
+ bgmac_write(bgmac, BGMAC_RXQ_CTL, rxq_ctl);
+ }
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */
@@ -1075,13 +1107,6 @@ static void bgmac_chip_init(struct bgmac
bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
- if (!bgmac->autoneg) {
- bgmac_speed(bgmac, bgmac->speed);
- bgmac_phy_force(bgmac);
- } else if (bgmac->speed) { /* if there is anything to adv */
- bgmac_phy_advertise(bgmac);
- }
-
if (full_init) {
bgmac_dma_init(bgmac);
if (1) /* FIXME: is there any case we don't want IRQs? */
@@ -1171,6 +1196,8 @@ static int bgmac_open(struct net_device
}
napi_enable(&bgmac->napi);
+ phy_start(bgmac->phy_dev);
+
netif_carrier_on(net_dev);
err_out:
@@ -1183,6 +1210,8 @@ static int bgmac_stop(struct net_device
netif_carrier_off(net_dev);
+ phy_stop(bgmac->phy_dev);
+
napi_disable(&bgmac->napi);
bgmac_chip_intrs_off(bgmac);
free_irq(bgmac->core->irq, net_dev);
@@ -1219,27 +1248,11 @@ static int bgmac_set_mac_address(struct
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
- struct mii_ioctl_data *data = if_mii(ifr);
- switch (cmd) {
- case SIOCGMIIPHY:
- data->phy_id = bgmac->phyaddr;
- /* fallthru */
- case SIOCGMIIREG:
- if (!netif_running(net_dev))
- return -EAGAIN;
- data->val_out = bgmac_phy_read(bgmac, data->phy_id,
- data->reg_num & 0x1f);
- return 0;
- case SIOCSMIIREG:
- if (!netif_running(net_dev))
- return -EAGAIN;
- bgmac_phy_write(bgmac, data->phy_id, data->reg_num & 0x1f,
- data->val_in);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
+ if (!netif_running(net_dev))
+ return -EINVAL;
+
+ return phy_mii_ioctl(bgmac->phy_dev, ifr, cmd);
}
static const struct net_device_ops bgmac_netdev_ops = {
@@ -1261,61 +1274,16 @@ static int bgmac_get_settings(struct net
{
struct bgmac *bgmac = netdev_priv(net_dev);
- cmd->supported = SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Half |
- SUPPORTED_1000baseT_Full |
- SUPPORTED_Autoneg;
-
- if (bgmac->autoneg) {
- WARN_ON(cmd->advertising);
- if (bgmac->full_duplex) {
- if (bgmac->speed & BGMAC_SPEED_10)
- cmd->advertising |= ADVERTISED_10baseT_Full;
- if (bgmac->speed & BGMAC_SPEED_100)
- cmd->advertising |= ADVERTISED_100baseT_Full;
- if (bgmac->speed & BGMAC_SPEED_1000)
- cmd->advertising |= ADVERTISED_1000baseT_Full;
- } else {
- if (bgmac->speed & BGMAC_SPEED_10)
- cmd->advertising |= ADVERTISED_10baseT_Half;
- if (bgmac->speed & BGMAC_SPEED_100)
- cmd->advertising |= ADVERTISED_100baseT_Half;
- if (bgmac->speed & BGMAC_SPEED_1000)
- cmd->advertising |= ADVERTISED_1000baseT_Half;
- }
- } else {
- switch (bgmac->speed) {
- case BGMAC_SPEED_10:
- ethtool_cmd_speed_set(cmd, SPEED_10);
- break;
- case BGMAC_SPEED_100:
- ethtool_cmd_speed_set(cmd, SPEED_100);
- break;
- case BGMAC_SPEED_1000:
- ethtool_cmd_speed_set(cmd, SPEED_1000);
- break;
- }
- }
-
- cmd->duplex = bgmac->full_duplex ? DUPLEX_FULL : DUPLEX_HALF;
-
- cmd->autoneg = bgmac->autoneg;
-
- return 0;
+ return phy_ethtool_gset(bgmac->phy_dev, cmd);
}
-#if 0
static int bgmac_set_settings(struct net_device *net_dev,
struct ethtool_cmd *cmd)
{
struct bgmac *bgmac = netdev_priv(net_dev);
- return -1;
+ return phy_ethtool_sset(bgmac->phy_dev, cmd);
}
-#endif
static void bgmac_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info)
@@ -1326,6 +1294,7 @@ static void bgmac_get_drvinfo(struct net
static const struct ethtool_ops bgmac_ethtool_ops = {
.get_settings = bgmac_get_settings,
+ .set_settings = bgmac_set_settings,
.get_drvinfo = bgmac_get_drvinfo,
};
@@ -1344,9 +1313,35 @@ static int bgmac_mii_write(struct mii_bu
return bgmac_phy_write(bus->priv, mii_id, regnum, value);
}
+static void bgmac_adjust_link(struct net_device *net_dev)
+{
+ struct bgmac *bgmac = netdev_priv(net_dev);
+ struct phy_device *phy_dev = bgmac->phy_dev;
+ bool update = false;
+
+ if (phy_dev->link) {
+ if (phy_dev->speed != bgmac->mac_speed) {
+ bgmac->mac_speed = phy_dev->speed;
+ update = true;
+ }
+
+ if (phy_dev->duplex != bgmac->mac_duplex) {
+ bgmac->mac_duplex = phy_dev->duplex;
+ update = true;
+ }
+ }
+
+ if (update) {
+ bgmac_mac_speed(bgmac);
+ phy_print_status(phy_dev);
+ }
+}
+
static int bgmac_mii_register(struct bgmac *bgmac)
{
struct mii_bus *mii_bus;
+ struct phy_device *phy_dev;
+ char bus_id[MII_BUS_ID_SIZE + 3];
int i, err = 0;
mii_bus = mdiobus_alloc();
@@ -1378,8 +1373,22 @@ static int bgmac_mii_register(struct bgm
bgmac->mii_bus = mii_bus;
+ /* Connect to the PHY */
+ snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id,
+ bgmac->phyaddr);
+ phy_dev = phy_connect(bgmac->net_dev, bus_id, &bgmac_adjust_link,
+ PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(phy_dev)) {
+ bgmac_err(bgmac, "PHY connecton failed\n");
+ err = PTR_ERR(phy_dev);
+ goto err_unregister_bus;
+ }
+ bgmac->phy_dev = phy_dev;
+
return err;
+err_unregister_bus:
+ mdiobus_unregister(mii_bus);
err_free_irq:
kfree(mii_bus->irq);
err_free_bus:
@@ -1434,9 +1443,6 @@ static int bgmac_probe(struct bcma_devic
bcma_set_drvdata(core, bgmac);
/* Defaults */
- bgmac->autoneg = true;
- bgmac->full_duplex = true;
- bgmac->speed = BGMAC_SPEED_10 | BGMAC_SPEED_100 | BGMAC_SPEED_1000;
memcpy(bgmac->net_dev->dev_addr, mac, ETH_ALEN);
/* On BCM4706 we need common core to access PHY */
@@ -1467,6 +1473,27 @@ static int bgmac_probe(struct bcma_devic
bgmac_chip_reset(bgmac);
+ /* For Northstar, we have to take all GMAC core out of reset */
+ if (core->id.id == BCMA_CHIP_ID_BCM4707 ||
+ core->id.id == BCMA_CHIP_ID_BCM53018) {
+ struct bcma_device *ns_core;
+ int ns_gmac;
+
+ /* Northstar has 4 GMAC cores */
+ for (ns_gmac = 0; ns_gmac < 4; ns_gmac++) {
+ /* As Northstar requirement, we have to reset all GMACs
+ * before accessing one. bgmac_chip_reset() call
+ * bcma_core_enable() for this core. Then the other
+ * three GMACs didn't reset. We do it here.
+ */
+ ns_core = bcma_find_core_unit(core->bus,
+ BCMA_CORE_MAC_GBIT,
+ ns_gmac);
+ if (ns_core && !bcma_core_is_enabled(ns_core))
+ bcma_core_enable(ns_core, 0);
+ }
+ }
+
err = bgmac_dma_alloc(bgmac);
if (err) {
bgmac_err(bgmac, "Unable to alloc memory for DMA\n");
@@ -1491,14 +1518,12 @@ static int bgmac_probe(struct bcma_devic
err = bgmac_mii_register(bgmac);
if (err) {
bgmac_err(bgmac, "Cannot register MDIO\n");
- err = -ENOTSUPP;
goto err_dma_free;
}
err = register_netdev(bgmac->net_dev);
if (err) {
bgmac_err(bgmac, "Cannot register net device\n");
- err = -ENOTSUPP;
goto err_mii_unregister;
}
--- a/drivers/net/ethernet/broadcom/bgmac.h
+++ b/drivers/net/ethernet/broadcom/bgmac.h
@@ -95,7 +95,11 @@
#define BGMAC_RXQ_CTL_MDP_SHIFT 24
#define BGMAC_GPIO_SELECT 0x194
#define BGMAC_GPIO_OUTPUT_EN 0x198
-/* For 0x1e0 see BCMA_CLKCTLST */
+
+/* For 0x1e0 see BCMA_CLKCTLST. Below are BGMAC specific bits */
+#define BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ 0x00000100
+#define BGMAC_BCMA_CLKCTLST_MISC_PLL_ST 0x01000000
+
#define BGMAC_HW_WAR 0x1e4
#define BGMAC_PWR_CTL 0x1e8
#define BGMAC_DMA_BASE0 0x200 /* Tx and Rx controller */
@@ -185,6 +189,7 @@
#define BGMAC_CMDCFG_ES_10 0x00000000
#define BGMAC_CMDCFG_ES_100 0x00000004
#define BGMAC_CMDCFG_ES_1000 0x00000008
+#define BGMAC_CMDCFG_ES_2500 0x0000000C
#define BGMAC_CMDCFG_PROM 0x00000010 /* Set to activate promiscuous mode */
#define BGMAC_CMDCFG_PAD_EN 0x00000020
#define BGMAC_CMDCFG_CF 0x00000040
@@ -193,7 +198,9 @@
#define BGMAC_CMDCFG_TAI 0x00000200
#define BGMAC_CMDCFG_HD 0x00000400 /* Set if in half duplex mode */
#define BGMAC_CMDCFG_HD_SHIFT 10
-#define BGMAC_CMDCFG_SR 0x00000800 /* Set to reset mode */
+#define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for other revs */
+#define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, only for core rev 4 */
+#define BGMAC_CMDCFG_SR(rev) ((rev == 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0)
#define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */
#define BGMAC_CMDCFG_AE 0x00400000
#define BGMAC_CMDCFG_CFE 0x00800000
@@ -216,27 +223,6 @@
#define BGMAC_RX_STATUS 0xb38
#define BGMAC_TX_STATUS 0xb3c
-#define BGMAC_PHY_CTL 0x00
-#define BGMAC_PHY_CTL_SPEED_MSB 0x0040
-#define BGMAC_PHY_CTL_DUPLEX 0x0100 /* duplex mode */
-#define BGMAC_PHY_CTL_RESTART 0x0200 /* restart autonegotiation */
-#define BGMAC_PHY_CTL_ANENAB 0x1000 /* enable autonegotiation */
-#define BGMAC_PHY_CTL_SPEED 0x2000
-#define BGMAC_PHY_CTL_LOOP 0x4000 /* loopback */
-#define BGMAC_PHY_CTL_RESET 0x8000 /* reset */
-/* Helpers */
-#define BGMAC_PHY_CTL_SPEED_10 0
-#define BGMAC_PHY_CTL_SPEED_100 BGMAC_PHY_CTL_SPEED
-#define BGMAC_PHY_CTL_SPEED_1000 BGMAC_PHY_CTL_SPEED_MSB
-#define BGMAC_PHY_ADV 0x04
-#define BGMAC_PHY_ADV_10HALF 0x0020 /* advertise 10MBits/s half duplex */
-#define BGMAC_PHY_ADV_10FULL 0x0040 /* advertise 10MBits/s full duplex */
-#define BGMAC_PHY_ADV_100HALF 0x0080 /* advertise 100MBits/s half duplex */
-#define BGMAC_PHY_ADV_100FULL 0x0100 /* advertise 100MBits/s full duplex */
-#define BGMAC_PHY_ADV2 0x09
-#define BGMAC_PHY_ADV2_1000HALF 0x0100 /* advertise 1000MBits/s half duplex */
-#define BGMAC_PHY_ADV2_1000FULL 0x0200 /* advertise 1000MBits/s full duplex */
-
/* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */
#define BGMAC_BCMA_IOCTL_SW_CLKEN 0x00000004 /* PHY Clock Enable */
#define BGMAC_BCMA_IOCTL_SW_RESET 0x00000008 /* PHY Reset */
@@ -254,9 +240,34 @@
#define BGMAC_DMA_TX_SUSPEND 0x00000002
#define BGMAC_DMA_TX_LOOPBACK 0x00000004
#define BGMAC_DMA_TX_FLUSH 0x00000010
+#define BGMAC_DMA_TX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
+#define BGMAC_DMA_TX_MR_SHIFT 6
+#define BGMAC_DMA_TX_MR_1 0
+#define BGMAC_DMA_TX_MR_2 1
#define BGMAC_DMA_TX_PARITY_DISABLE 0x00000800
#define BGMAC_DMA_TX_ADDREXT_MASK 0x00030000
#define BGMAC_DMA_TX_ADDREXT_SHIFT 16
+#define BGMAC_DMA_TX_BL_MASK 0x001C0000 /* BurstLen bits */
+#define BGMAC_DMA_TX_BL_SHIFT 18
+#define BGMAC_DMA_TX_BL_16 0
+#define BGMAC_DMA_TX_BL_32 1
+#define BGMAC_DMA_TX_BL_64 2
+#define BGMAC_DMA_TX_BL_128 3
+#define BGMAC_DMA_TX_BL_256 4
+#define BGMAC_DMA_TX_BL_512 5
+#define BGMAC_DMA_TX_BL_1024 6
+#define BGMAC_DMA_TX_PC_MASK 0x00E00000 /* Prefetch control */
+#define BGMAC_DMA_TX_PC_SHIFT 21
+#define BGMAC_DMA_TX_PC_0 0
+#define BGMAC_DMA_TX_PC_4 1
+#define BGMAC_DMA_TX_PC_8 2
+#define BGMAC_DMA_TX_PC_16 3
+#define BGMAC_DMA_TX_PT_MASK 0x03000000 /* Prefetch threshold */
+#define BGMAC_DMA_TX_PT_SHIFT 24
+#define BGMAC_DMA_TX_PT_1 0
+#define BGMAC_DMA_TX_PT_2 1
+#define BGMAC_DMA_TX_PT_4 2
+#define BGMAC_DMA_TX_PT_8 3
#define BGMAC_DMA_TX_INDEX 0x04
#define BGMAC_DMA_TX_RINGLO 0x08
#define BGMAC_DMA_TX_RINGHI 0x0C
@@ -284,8 +295,33 @@
#define BGMAC_DMA_RX_DIRECT_FIFO 0x00000100
#define BGMAC_DMA_RX_OVERFLOW_CONT 0x00000400
#define BGMAC_DMA_RX_PARITY_DISABLE 0x00000800
+#define BGMAC_DMA_RX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
+#define BGMAC_DMA_RX_MR_SHIFT 6
+#define BGMAC_DMA_TX_MR_1 0
+#define BGMAC_DMA_TX_MR_2 1
#define BGMAC_DMA_RX_ADDREXT_MASK 0x00030000
#define BGMAC_DMA_RX_ADDREXT_SHIFT 16
+#define BGMAC_DMA_RX_BL_MASK 0x001C0000 /* BurstLen bits */
+#define BGMAC_DMA_RX_BL_SHIFT 18
+#define BGMAC_DMA_RX_BL_16 0
+#define BGMAC_DMA_RX_BL_32 1
+#define BGMAC_DMA_RX_BL_64 2
+#define BGMAC_DMA_RX_BL_128 3
+#define BGMAC_DMA_RX_BL_256 4
+#define BGMAC_DMA_RX_BL_512 5
+#define BGMAC_DMA_RX_BL_1024 6
+#define BGMAC_DMA_RX_PC_MASK 0x00E00000 /* Prefetch control */
+#define BGMAC_DMA_RX_PC_SHIFT 21
+#define BGMAC_DMA_RX_PC_0 0
+#define BGMAC_DMA_RX_PC_4 1
+#define BGMAC_DMA_RX_PC_8 2
+#define BGMAC_DMA_RX_PC_16 3
+#define BGMAC_DMA_RX_PT_MASK 0x03000000 /* Prefetch threshold */
+#define BGMAC_DMA_RX_PT_SHIFT 24
+#define BGMAC_DMA_RX_PT_1 0
+#define BGMAC_DMA_RX_PT_2 1
+#define BGMAC_DMA_RX_PT_4 2
+#define BGMAC_DMA_RX_PT_8 3
#define BGMAC_DMA_RX_INDEX 0x24
#define BGMAC_DMA_RX_RINGLO 0x28
#define BGMAC_DMA_RX_RINGHI 0x2C
@@ -342,10 +378,6 @@
#define BGMAC_CHIPCTL_1_SW_TYPE_RGMII 0x000000C0
#define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS 0x00010000
-#define BGMAC_SPEED_10 0x0001
-#define BGMAC_SPEED_100 0x0002
-#define BGMAC_SPEED_1000 0x0004
-
#define BGMAC_WEIGHT 64
#define ETHER_MAX_LEN 1518
@@ -402,6 +434,7 @@ struct bgmac {
struct net_device *net_dev;
struct napi_struct napi;
struct mii_bus *mii_bus;
+ struct phy_device *phy_dev;
/* DMA */
struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS];
@@ -416,10 +449,9 @@ struct bgmac {
u32 int_mask;
u32 int_status;
- /* Speed-related */
- int speed;
- bool autoneg;
- bool full_duplex;
+ /* Current MAC state */
+ int mac_speed;
+ int mac_duplex;
u8 phyaddr;
bool has_robosw;
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